Portable alarm



FIG. 1 is a front perspective view of a portable alarm system of thepresent invention;

FIG. 2 is a left side elevational view of a portable alarm system ofFIG. 1;

FIG. 3 is a back perspective view of a portable alarm system of FIG. 1;

FIG. 4 is a right side elevational view of a portable alarm system ofFIG. 1;

FIG. 5 is another back perspective view of a portable alarm system ofFIG. 1; and,

FIG. 6 is a bottom view of a portable alarm system.

The ornamental design for a portable alarm, as shown and described.